CN208522778U - Dual-switch tandem type evidence taking equipment - Google Patents
Dual-switch tandem type evidence taking equipment Download PDFInfo
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- CN208522778U CN208522778U CN201821066062.2U CN201821066062U CN208522778U CN 208522778 U CN208522778 U CN 208522778U CN 201821066062 U CN201821066062 U CN 201821066062U CN 208522778 U CN208522778 U CN 208522778U
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Abstract
The utility model discloses a kind of Dual-switch tandem type evidence taking equipments, including evidence obtaining unit and crosspoint；The evidence obtaining unit includes tower crane server separate unit and tower crane memory separate unit, and the tower crane server separate unit includes read-only copy card, the first uplink card and the first hard disk；Each interface of the read-only copy card is all connected with the first uplink card, and each interface of first uplink card connects several the first hard disks, and tower crane server separate unit and tower crane memory separate unit are attached by Dual-switch system.
Description
Technical field
The utility model relates to a kind of electronic equipment interface fields, and in particular to set for a kind of evidence obtaining of Dual-switch tandem type
It is standby.
Background technique
With the development of computer technology, the expansion in computer application field, real crime is related to the ground of electronic evidence
Side is also being continuously increased.2011.10.24 " Civil Procedure Law of The People's Republic 0f China " draft is in the 63rd article of category of evidence
Newly-increased " electronic data ".2012.3.14 the 48th article of " Criminal Procedure Law of the People's Republic of China " amendment is clearly by electronics
Type one of of the evidence as criminal suit evidence, illustrate electronic evidence effect and positive effect it has been recognised that.And it is electric
The characteristics of sub- evidence has its own compared with traditional evidence, the evidence obtaining of electronic data are needed through specific professional technique, profession
Equipment, just can guarantee in this way electronic evidence evidence obtaining integrality, safety and high efficiency.Make evidence taking equipment just because of this
It is widely applied.However, existing each dedicated evidence taking equipment can only be used alone mostly, not by the function of evidence taking equipment
It is effectively integrated, United Dispatching is not carried out to evidence obtaining resource, the group of freely multiplicity cannot be carried out according to the demand of user
Close variation.Existing evidence taking equipment has only connected an interchanger simultaneously, and when exchange fault, entire evidence-obtaining system can paralysis
Paralysis, evidence obtaining process can interrupt, and influence to collect evidence.Therefore how for existing evidence taking equipment discovery missing and drawback carry out improvement and
Innovation, truly has its necessity.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a tool
There is the tandem type evidence taking equipment of stable state.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of Dual-switch tandem type evidence taking equipment, including evidence obtaining unit and crosspoint, the evidence obtaining unit includes tower
Machine server separate unit and tower crane memory separate unit；The tower crane server separate unit includes read-only copy card,
One uplink card and the first hard disk；Each interface of the read-only copy card is all connected with the first uplink card, first uplink card
Each interface connects several the first hard disks；The tower crane memory separate unit includes the second uplink card and the second hard disk；Institute
State crosspoint include the first interchanger, second switch, first monitoring circuit, second monitoring circuit, the first two-way three-state door,
Second two-way three-state door, third two-way three-state door, the 4th two-way three-state door, arbitrary switch-over circuit；First interchanger passes through
The first two-way three-state door is bi-directionally connected with the tower crane server separate unit, and first interchanger passes through the third
Two-way three-state door is bi-directionally connected with the tower crane memory separate unit, and the second switch passes through second two-way three-state
Door be bi-directionally connected with the tower crane server separate unit, the second switch pass through the 4th two-way three-state door with it is described
Tower crane memory separate unit is bi-directionally connected, the state output signal of first interchanger by the first monitoring circuit with
The state output signal of arbitrary switch-over circuit connection, the second switch is cut by the second monitoring circuit with the arbitration
Circuit connection is changed, the first two-way three-state door and the third two-way three-state door are by the first output bus control of arbitrary switch-over circuit
System, the second two-way three-state door and the 4th two-way three-state door are controlled by the second output bus of arbitrary switch-over circuit.
As optimization, the read-only copy card includes 2 interfaces.
As optimization, each interface of the read-only copy card is also connected with several first hard disks.
As optimization, each interface of the read-only copy card connects first uplink card.
As optimization, first, second uplink card includes six interfaces.
As optimization, the number of first hard disk is 4.
As optimization, each interface of first, second uplink card can connect other uplink cards and carry out expansion interface.
As optimization, the second switch is the warm back-up of first interchanger.
As optimization, first and second described monitoring circuit has been all made of with power supply supervisory circuit and watchdog function
Micro-chip processor.
The beneficial effects of the utility model are:
In the case that two interchangers all operate normally, the first interchanger of system default is host, and second switch is
Slave.When host exchange breaks down, by monitoring the signal of circuit, arbitrary switch-over circuit can issue signal and automatically switch it
Output and input channel.Meanwhile system will be switched to another spare interchanger and open its channel, secondary switch status is more
It is changed to host exchange state.It is transmitted in this way from tower crane server separate unit to the single datum of tower crane memory separate unit
When, it is capable of providing a safe and reliable control environment.
Separate unit list slot position interface highest reproduction speed is not less than 4GB/min, and the source medium number that separate unit can replicate simultaneously is at least
Reach 12, quickly fixed tool of saving from damage supports multiple interfaces, the source media such as IDE/SATA/SAS/USB quickly to fix to source medium
To save tool from damage and supports more concurrent workings, quickly fixed tool reproduction speed of saving from damage is not less than 48GB/min to separate unit source medium,
Middle read-only copy card and uplink card cooperate, and realize the parallel memorizing of hard disc data, and data transmit stability and high efficiency.
Detailed description of the invention
Fig. 1 is the circuit of dual processors hardware write protected function data copier described in specific embodiment of the present invention
Schematic illustration；
Fig. 2 is the arbitrary switch-over of dual processors hardware write protected function data copier described in the utility model embodiment
Circuit diagram.
In attached drawing, 1 is column foot server separate unit, and 11 be uplink card, and 12 be read-only copy card, and 13 be the first communication
Card, 14 be the first hard disk, and 2 be column foot memory separate unit, and 21 be uplink card, and 22 be the second address card, and 23 be the second hard disk,
3 be arbitrary switch-over circuit, and 31 be the first two-way three-state door, and 32 be the first interchanger, and 33 be third two-way three-state door, and 34 be first
Circuit is monitored, 35 be the second two-way three-state door, and 36 be second switch, and 37 be the 4th two-way three-state door, and 38 be the second monitoring electricity
Road.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
In present embodiment, as shown in Figs. 1-2, a kind of Dual-switch tandem type evidence taking equipment, including evidence obtaining unit and friendship
Change unit；Unit of collecting evidence includes tower crane server separate unit 1 and tower crane memory separate unit 2, tower crane server separate single
Member includes read-only copy card 12, the first uplink card 11 and the first hard disk 14, and each interface of read-only copy card 12 is all connected with first
Each interface of uplink card 11, the first uplink card 11 connects several first hard disks 14；Tower crane memory separate unit 2 includes second
Uplink card 21 and the second hard disk 23；Crosspoint includes that the first interchanger 32, second switch 36, first monitor circuit 34, the
Two monitoring circuits 38, the first two-way three-state door 31, the second two-way three-state door 33, third two-way three-state door 35, the 4th two-way three-state
Door 37, arbitrary switch-over circuit 3；First interchanger 32 is two-way by the first two-way three-state door 31 and tower crane server separate unit 1
Connection, the first interchanger 32 are bi-directionally connected by third two-way three-state door 33 with tower crane memory separate unit 2, second switch
36 are bi-directionally connected by the second two-way three-state door 35 with tower crane server separate unit 1, and second switch 36 is two-way by the 4th
Tri-state gate 37 is bi-directionally connected with tower crane memory separate unit 2, and the state output signal of the first interchanger 32 passes through the first monitoring
Circuit 34 is connect with arbitrary switch-over circuit 3, and the state output signal of second switch 36 passes through the second monitoring circuit 38 and arbitration
Switching circuit 3 connects, and the first two-way three-state door 31 is exported with the third two-way three-state door 33 by arbitrary switch-over circuit 32 first
Bus marco, the second two-way three-state door 35 and the 4th two-way three-state door 37 are controlled by 3 second output bus of arbitrary switch-over circuit.
In the present embodiment, read-only copy card 12 includes 2 interfaces.
In the present embodiment, each interface of read-only copy card 12 is also connected with several first hard disks.
In the present embodiment, each interface of read-only copy card is all connected with the first uplink card 11.
In the present embodiment, the first, second uplink card includes six interfaces.
In the present embodiment, the number of the first hard disk is 4.
In the present embodiment, each interface of the first, second uplink card can connect other uplink cards.For actual need
It wants, the delivery outlet of each uplink card connects another uplink card again, occupies a delivery outlet, and be constantly extended.
In the utility model, including two Dual-switch tandem type evidence taking equipments described in claim 1, unit of collecting evidence
Tower crane server separate unit is provided with the first address card 13, and tower crane memory separate unit is provided with the second address card 22, and two
A address card is connected, and two tandem type evidence taking equipments carry out information exchange by address card.
In the present embodiment, second switch 36 is the warm back-up of first interchanger 32.
In the present embodiment, the first, second monitoring circuit has been all made of micro- with power supply supervisory circuit and watchdog function
Handle chip.
The beneficial effects of the utility model are:
In the case that two interchangers all operate normally, the first interchanger of system default is host, and second switch is
Slave.When host exchange breaks down, by monitoring the signal of circuit, arbitrary switch-over circuit can issue signal and automatically switch it
Output and input channel.Meanwhile system will be switched to another spare interchanger and open its channel, secondary switch status is more
It is changed to host exchange state.It is transmitted in this way from tower crane server separate unit to the single datum of tower crane memory separate unit
When, it is capable of providing a safe and reliable control environment.
Separate unit list slot position interface highest reproduction speed is not less than 4GB/min, and the source medium number that separate unit can replicate simultaneously is at least
Reach 12, quickly fixed tool of saving from damage supports multiple interfaces, the source media such as IDE/SATA/SAS/USB quickly to fix to source medium
To save tool from damage and supports more concurrent workings, quickly fixed tool reproduction speed of saving from damage is not less than 48GB/min to separate unit source medium,
Middle read-only copy card and uplink card cooperate, and realize the parallel memorizing of hard disc data, and data transmit stability and high efficiency.
Working principle of the utility model is: signal is passed through first, second two-way three by tower crane server separate unit simultaneously
State door is transmitted to the first, second interchanger, and in the case where two interchangers run all normal situation, the first interchanger of system default is
Host, second switch are slave.Signal is transmitted by host exchange to tower crane memory separate unit.When host exchange occurs
When failure, by monitoring the signal of circuit, arbitrary switch-over circuit can issue signal and automatically switch its output and input channel.Together
When, system will be switched to another spare interchanger and open its channel, and secondary switch status is changed to host exchange state.
A kind of specific implementation of Dual-switch tandem type evidence taking equipment of the utility model, may relate to utility software, but
Used software is the most common software of those skilled in the art, also, not claimed by patent application claims
Range.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that；
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of Dual-switch tandem type evidence taking equipment, which is characterized in that including evidence obtaining unit and crosspoint；The evidence obtaining is single
Member includes tower crane server separate unit and tower crane memory separate unit, and the tower crane server separate unit includes read-only multiple
Fabrication, the first uplink card and the first hard disk；Each interface of the read-only copy card is all connected with the first uplink card, the first order
Each interface of connection card connects several first hard disks；The tower crane memory separate unit includes that the second uplink card and second are hard
Disk；The crosspoint includes the first interchanger, second switch, the first monitoring circuit, the second monitoring circuit, first two-way three
State door, the second two-way three-state door, third two-way three-state door, the 4th two-way three-state door, arbitrary switch-over circuit；First interchanger
It is bi-directionally connected by the first two-way three-state door and the tower crane server separate unit, first interchanger passes through described
Third two-way three-state door is bi-directionally connected with the tower crane memory separate unit, and the second switch is two-way by described second
Tri-state gate is bi-directionally connected with the tower crane server separate unit, the second switch by the 4th two-way three-state door with
The tower crane memory separate unit is bi-directionally connected, and the state output signal of first interchanger passes through the first monitoring electricity
Road and arbitrary switch-over circuit connection, the state output signal of the second switch by the second monitoring circuit with it is described secondary
It cuts and changes circuit connection, the first two-way three-state door and the third two-way three-state door are exported always by arbitrary switch-over circuit first
Line traffic control, the second two-way three-state door and the 4th two-way three-state door are controlled by the second output bus of arbitrary switch-over circuit.
2. Dual-switch tandem type evidence taking equipment according to claim 1, it is characterised in that: the read-only copy card includes
2 interfaces.
3. Dual-switch tandem type evidence taking equipment according to claim 2, it is characterised in that: the read-only copy card it is every
A interface is also connected with several first hard disks.
4. Dual-switch tandem type evidence taking equipment according to claim 2, it is characterised in that: the read-only copy card it is each
Interface is all connected with first uplink card.
5. Dual-switch tandem type evidence taking equipment according to claim 1, it is characterised in that: first, second uplink card
Including six interfaces.
6. Dual-switch tandem type evidence taking equipment according to claim 1, it is characterised in that: the number of first hard disk is
4.
7. Dual-switch tandem type evidence taking equipment according to claim 5, it is characterised in that: first, second uplink card
Each interface can connect other uplink cards and carry out expansion interface.
8. Dual-switch tandem type evidence taking equipment according to claim 1, it is characterised in that: the second switch is described
The warm back-up of first interchanger.
9. Dual-switch tandem type evidence taking equipment according to claim 1, it is characterised in that: first and second described monitoring electricity
Road has been all made of the micro-chip processor with power supply supervisory circuit and watchdog function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066062.2U CN208522778U (en) | 2018-07-06 | 2018-07-06 | Dual-switch tandem type evidence taking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066062.2U CN208522778U (en) | 2018-07-06 | 2018-07-06 | Dual-switch tandem type evidence taking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522778U true CN208522778U (en) | 2019-02-19 |
Family
ID=65336865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821066062.2U Active CN208522778U (en) | 2018-07-06 | 2018-07-06 | Dual-switch tandem type evidence taking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522778U (en) |
-
2018
- 2018-07-06 CN CN201821066062.2U patent/CN208522778U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.5-39, 148-50, Taoyuan Road, Nan'an District, Chongqing 400060 Patentee after: Aisi Technology (Chongqing) Group Co.,Ltd. Address before: No.5-39, 148-50, Taoyuan Road, Nan'an District, Chongqing 400060 Patentee before: CHONGQING ISOFT TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |